Nissan Qashqai J11. Manual — part 1873
LAN
TCM BRANCH LINE CIRCUIT
LAN-85
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
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J
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B
A
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P
N
TCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010272944
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
-
TCM
-
IPDM E/R
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the following harness connectors.
-
TCM
-
IPDM E/R
2.
Check the continuity between the TCM harness connector and the IPDM E/R harness connector.
-
Except for MR engine models
-
MR engine models
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the branch line between the TCM harness connector and IPDM E/R harness connector
(F89).
3.
CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the IPDM E/R terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the IPDM E/R. Refer to
PCS-68, "Removal and Installation"
4.
CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the IPDM E/R harness connector terminals.
TCM harness connector
IPDM E/R harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F1
33
F89
71
Existed
23
72
Existed
TCM harness connector
IPDM E/R harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F2
33
F89
71
Existed
23
72
Existed
IPDM E/R
Continuity
Terminal No.
71
39
Existed
72
40
Existed
LAN-86
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
TCM BRANCH LINE CIRCUIT
Is the measurement value within the specification?
YES
>> GO TO 5.
NO
>> Repair the TCM branch line.
5.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the TCM. Refer to the following.
• RE0F10D:
• RE0F10G:
• RE0F11A:
Is the inspection result normal?
YES (Present error)>>Replace the TCM. Refer to the following.
• RE0F10D:
TM-397, "Removal and Installation"
• RE0F10G:
TM-632, "Removal and Installation"
• RE0F11A:
TM-891, "Removal and Installation"
YES (Past error)>>Error was detected in the TCM branch line.
NO
>> Repair the power supply and the ground circuit.
IPDM E/R harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E38
39
40
Approx. 54 – 66
LAN
DLC BRANCH LINE CIRCUIT
LAN-87
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
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F
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H
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B
A
O
P
N
DLC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010272947
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the data link connector for damage, bend and loose connection
(connector side and harness side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.
Is the measurement value within the specification?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the data link connector branch line circuit.
NO
>> Repair the data link connector branch line.
Data link connector
Resistance (
Ω
)
Connector No.
Terminal No.
M21
6
14
Approx. 54 – 66
LAN-88
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
EHS/PKB BRANCH LINE CIRCUIT
EHS/PKB BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010339742
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the electric park brake control unit for damage, bend and loose
connection (unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of electric park brake control unit.
2.
Check the resistance between the electric park brake control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the electric park brake control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the electric park brake control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the electric park brake control unit. Refer to
PB-141, "Removal and Installa-
.
YES (Past error)>>Error was detected in the electric park brake control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Electric park brake control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M29
16
17
Approx. 54 – 66
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